Feature 1.UPGRADE VERSION: Made of the premium hard anodized aluminum, the upgrade Bradley saver have smooth and glossy silver surface by several advanced procedures, having excellent durability and high temperature resistance performance. 2.SIMPLY USAGE: The hollow ring design is easier to grab and load. It is light-weight and cools down faster after smoking. Just stacking each puck in between every other Bradley bisquettes and that's it ! A must have for your Bradley smoker, which can be used on any Bradley electric smoker and barbecue. .